Update go-ci.yml

Author: Euler-B

.github/workflows/go-ci.yml

@@ -46,7 +46,7 @@ jobs:
       - name: "Build and push Docker image to Github Container Registry ('latest')"
         if: ${{ github.ref == 'refs/heads/master' }}
         run: |
-          docker build . --tag $DOCKER_IMAGE_IMAGE:latest
+          docker build . --tag $DOCKER_IMAGE_NAME:latest
           docker push $DOCKER_IMAGE_NAME:latest